mkdir big_train
cd big_train
wget https://paddlerec.bj.bcebos.com/ncf/train_data.csv
cd ..
mkdir big_test
cd big_test
wget https://paddlerec.bj.bcebos.com/ncf/test_data.csv
cd ..
wget https://paddlerec.bj.bcebos.com/ncf/Data.zip
